Maboud Farzaneh Kaloorazi received the B.Sc. degree from Guilan University, Rasht, Iran, in 2007, the M.Sc. degree from Blekinge Institute of Technology, Karlskrona, Sweden, in 2013, and the Ph.D. degree from the Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Brazil, in 2018, all in electrical engineering. From October 2018 to 2020, he was a postdoctoral researcher with the School of Marine Science and Technology, Northwestern Polytechnical University, Xi'an, China. Since November 2020 he is a professor with the School of Electronic Engineering, Xi’an Shiyou University, Xi'an, China.

Title: Efficient Unsupervised Learning Methods based on Randomization for Big Data Approximation and Their Applications in Oil and Gas Industry